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<a name="boost.compressed_pair"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Class template compressed_pair</span></h2>
<p>boost::compressed_pair</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../utility/utilities/compressed_pair.html#header.boost.detail.compressed_pair_hpp" title="Header &lt;boost/detail/compressed_pair.hpp&gt;">boost/detail/compressed_pair.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="compressed_pair.html" title="Class template compressed_pair">compressed_pair</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">T1</span>                                          <a name="boost.compressed_pair.first_type"></a><span class="identifier">first_type</span><span class="special">;</span>            
  <span class="keyword">typedef</span> <span class="identifier">T2</span>                                          <a name="boost.compressed_pair.second_type"></a><span class="identifier">second_type</span><span class="special">;</span>           
  <span class="keyword">typedef</span> <span class="identifier">call_traits</span><span class="special">&lt;</span> <span class="identifier">first_type</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">param_type</span>       <a name="boost.compressed_pair.first_param_type"></a><span class="identifier">first_param_type</span><span class="special">;</span>      
  <span class="keyword">typedef</span> <span class="identifier">call_traits</span><span class="special">&lt;</span> <span class="identifier">second_type</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">param_type</span>      <a name="boost.compressed_pair.second_param_type"></a><span class="identifier">second_param_type</span><span class="special">;</span>     
  <span class="keyword">typedef</span> <span class="identifier">call_traits</span><span class="special">&lt;</span> <span class="identifier">first_type</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">reference</span>        <a name="boost.compressed_pair.first_reference"></a><span class="identifier">first_reference</span><span class="special">;</span>       
  <span class="keyword">typedef</span> <span class="identifier">call_traits</span><span class="special">&lt;</span> <span class="identifier">second_type</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">reference</span>       <a name="boost.compressed_pair.second_reference"></a><span class="identifier">second_reference</span><span class="special">;</span>      
  <span class="keyword">typedef</span> <span class="identifier">call_traits</span><span class="special">&lt;</span> <span class="identifier">first_type</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">const_reference</span>  <a name="boost.compressed_pair.first_const_reference"></a><span class="identifier">first_const_reference</span><span class="special">;</span> 
  <span class="keyword">typedef</span> <span class="identifier">call_traits</span><span class="special">&lt;</span> <span class="identifier">second_type</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">const_reference</span> <a name="boost.compressed_pair.second_const_reference"></a><span class="identifier">second_const_reference</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="compressed_pair.html#boost.compressed_pairconstruct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="compressed_pair.html#idm3173-bb"><span class="identifier">compressed_pair</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="compressed_pair.html#idm3174-bb"><span class="identifier">compressed_pair</span></a><span class="special">(</span><span class="identifier">first_param_type</span><span class="special">,</span> <span class="identifier">second_param_type</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">explicit</span> <a class="link" href="compressed_pair.html#idm3179-bb"><span class="identifier">compressed_pair</span></a><span class="special">(</span><span class="identifier">first_param_type</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">explicit</span> <a class="link" href="compressed_pair.html#idm3182-bb"><span class="identifier">compressed_pair</span></a><span class="special">(</span><span class="identifier">second_param_type</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="compressed_pair.html#idm3159-bb">public member functions</a></span>
  <span class="identifier">first_reference</span> <a class="link" href="compressed_pair.html#idm3160-bb"><span class="identifier">first</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="identifier">first_const_reference</span> <a class="link" href="compressed_pair.html#idm3162-bb"><span class="identifier">first</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">second_reference</span> <a class="link" href="compressed_pair.html#idm3164-bb"><span class="identifier">second</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="identifier">second_const_reference</span> <a class="link" href="compressed_pair.html#idm3166-bb"><span class="identifier">second</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="compressed_pair.html#idm3168-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="compressed_pair.html" title="Class template compressed_pair">compressed_pair</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm3790"></a><h2>Description</h2>
<div class="refsect2">
<a name="idm3792"></a><h3>
<a name="boost.compressed_pairconstruct-copy-destruct"></a><code class="computeroutput">compressed_pair</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><a name="idm3173-bb"></a><span class="identifier">compressed_pair</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="idm3174-bb"></a><span class="identifier">compressed_pair</span><span class="special">(</span><span class="identifier">first_param_type</span> x<span class="special">,</span> <span class="identifier">second_param_type</span> y<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="idm3179-bb"></a><span class="identifier">compressed_pair</span><span class="special">(</span><span class="identifier">first_param_type</span> x<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="idm3182-bb"></a><span class="identifier">compressed_pair</span><span class="special">(</span><span class="identifier">second_param_type</span> y<span class="special">)</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="idm3836"></a><h3>
<a name="idm3159-bb"></a><code class="computeroutput">compressed_pair</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="identifier">first_reference</span> <a name="idm3160-bb"></a><span class="identifier">first</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">first_const_reference</span> <a name="idm3162-bb"></a><span class="identifier">first</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">second_reference</span> <a name="idm3164-bb"></a><span class="identifier">second</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">second_const_reference</span> <a name="idm3166-bb"></a><span class="identifier">second</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm3168-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="compressed_pair.html" title="Class template compressed_pair">compressed_pair</a> <span class="special">&amp;</span> y<span class="special">)</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="idm3890"></a><h3>Specializations</h3>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><a class="link" href="compressed_pair_T__idm3185.html" title="Class template compressed_pair&lt;T, T&gt;">Class template compressed_pair&lt;T, T&gt;</a></p></li></ul></div>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2001 Beman Dawes<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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